<?xml version="1.0" encoding="UTF-8" standalone="no"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="exporter-version" content=mNote Mac 2.4.10"/><meta name="created" content="2013-07-29T14:44:59Z"/><meta name="updated" content="2013-07-29T14:44:59Z"/><title>90元打造树莓派的HIFI播放器，追求音质看过来，耳放很配...</title></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>
<i style="border: 0px none rgb(153, 153, 153); color: rgb(153, 153, 153); display: block; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 32px; font-family: Tahoma, 'Microsoft Yahei', Simsun; height: 32px; margin: 0px 0px -30px; outline: rgb(153, 153, 153) none 0px; padding: 0px; text-align: center; text-decoration: initial; width: 757px; word-wrap: break-word;"> 本帖最后由 GY@艳 于 2012-11-22 13:49 编辑 </i><br>
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原帖由<br>
ukonline2000<br>
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之前写过usb DAC的文章，主要是为了接家里的音响用，这次的usb DAC支持耳放和同轴输出，适合所有追求音质的玩家，把树莓派完全变成一个HIFI的玩具，成本不搞总共不到90，但是音质却非常不错！&nbsp;&nbsp;<br>
<a href="http://www.eeboard.com/bbs/forum.php?mod=viewthread&amp;tid=1369&amp;page=1&amp;extra=#pid4675" target="_blank" style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: 21px; font-family: Tahoma, 'Microsoft Yahei', Simsun; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: underline; word-wrap: break-word;">http://www.eeboard.com/bbs/forum.php?mod=viewthread&amp;tid=1369&amp;page=1&amp;extra=#pid4675</a><br>
准备工作和外设成本：<br>
1.树莓派一块 <br>
2.<font color="black" style="display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: 21px; font-family: Tahoma, 'Microsoft Yahei', Simsun; margin: 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">usb DAC板一块，芯片是PCM2704 （淘宝上不到50元）<br>
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3.usb线（30mm的usb打印线，淘宝价3元）<br>

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4.树莓派外壳一块（100mhz兄弟设计的，31元）<br>

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组装过程：&nbsp; &nbsp;<br>
1.安装usb DAC板<br>

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2.固定树莓派<br>

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<div style="border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; float: right; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">2012-11-22 13:36 上传</div>
<a href="http://www.eeboard.com/bbs/forum.php?mod=attachment&amp;aid=MTEwMTN8NTQyNTJkZjF8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;nothumb=yes" title="5.jpg 下载次数:0" target="_blank" style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: underline; word-wrap: break-word;"><strong style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: bold; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">下载附件</strong> <span style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10px; line-height: 14px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">(45.51 KB)</span></a>

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3.完成组装&nbsp; &nbsp;<br>

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<div style="border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">
<div style="border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; float: right; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">2012-11-22 13:36 上传</div>
<a href="http://www.eeboard.com/bbs/forum.php?mod=attachment&amp;aid=MTEwMTR8ZDRkZDU5ZTJ8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;nothumb=yes" title="6.jpg 下载次数:0" target="_blank" style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: underline; word-wrap: break-word;"><strong style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: bold; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">下载附件</strong> <span style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10px; line-height: 14px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">(42.38 KB)</span></a>

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<div style="background-image: url(http://www.eeboard.com/bbs/static/image/common/tip_bottom.png); background-attachment: scroll; background-origin: padding-box; background-clip: border-box; background-color: rgba(0, 0, 0, 0); background-size: auto; border: 0px none rgb(68, 68, 68); bottom: -6px; color: rgb(68, 68, 68); display: block; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: 21px; font-family: Tahoma, 'Microsoft Yahei', Simsun; height: 6px; left: 5px; margin: 0px; outline: rgb(68, 68, 68) none 0px; overflow: hidden; padding: 0px; position: absolute; text-decoration: initial; width: 11px; word-wrap: break-word; background-position: 0% 0%; background-repeat: repeat repeat;"></div>
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<div style="width: 500px; height: 100px; background-image: url(http://www.eeboard.com/bbs/static/image/common/loading.gif); background-attachment: scroll; background-origin: padding-box; background-clip: border-box; background-color: rgba(0, 0, 0, 0); background-size: auto; border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: 21px; font-family: Tahoma, 'Microsoft Yahei', Simsun; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word; background-position: 50% 50%; background-repeat: no-repeat no-repeat;"></div><img id="aimg_11015" aid="11015" src="http://files.note.sdo.com/M5cEN~kiiskMLX0F0004i4" zoomfile="forum.php?mod=attachment&amp;aid=MTEwMTV8MWZlNTk2YjV8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;noupdate=yes&amp;nothumb=yes" file="forum.php?mod=attachment&amp;aid=MTEwMTV8MWZlNTk2YjV8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;noupdate=yes" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="500" inpost="1" alt="7.jpg" title="7.jpg" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" style="height: 1px; width: 1px; float: none; background-image: none; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; background-color: rgba(0, 0, 0, 0); background-size: auto; background-position: 0% 0%; background-repeat: repeat repeat;" lazyloaded="true">

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<div style="border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">
<div style="border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; float: right; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">2012-11-22 13:36 上传</div>
<a href="http://www.eeboard.com/bbs/forum.php?mod=attachment&amp;aid=MTEwMTV8MWZlNTk2YjV8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;nothumb=yes" title="7.jpg 下载次数:0" target="_blank" style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: underline; word-wrap: break-word;"><strong style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: bold; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">下载附件</strong> <span style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10px; line-height: 14px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">(38.13 KB)</span></a>

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<div style="background-image: url(http://www.eeboard.com/bbs/static/image/common/tip_bottom.png); background-attachment: scroll; background-origin: padding-box; background-clip: border-box; background-color: rgba(0, 0, 0, 0); background-size: auto; border: 0px none rgb(68, 68, 68); bottom: -6px; color: rgb(68, 68, 68); display: block; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: 21px; font-family: Tahoma, 'Microsoft Yahei', Simsun; height: 6px; left: 5px; margin: 0px; outline: rgb(68, 68, 68) none 0px; overflow: hidden; padding: 0px; position: absolute; text-decoration: initial; width: 11px; word-wrap: break-word; background-position: 0% 0%; background-repeat: repeat repeat;"></div>
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<div style="width: 500px; height: 100px; background-image: url(http://www.eeboard.com/bbs/static/image/common/loading.gif); background-attachment: scroll; background-origin: padding-box; background-clip: border-box; background-color: rgba(0, 0, 0, 0); background-size: auto; border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: 21px; font-family: Tahoma, 'Microsoft Yahei', Simsun; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word; background-position: 50% 50%; background-repeat: no-repeat no-repeat;"></div><img id="aimg_11016" aid="11016" src="http://files.note.sdo.com/M5cEN~kiiskMLX0F0004ia" zoomfile="forum.php?mod=attachment&amp;aid=MTEwMTZ8YmQ5MzRhMzd8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;noupdate=yes&amp;nothumb=yes" file="forum.php?mod=attachment&amp;aid=MTEwMTZ8YmQ5MzRhMzd8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;noupdate=yes" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="500" inpost="1" alt="8.jpg" title="8.jpg" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" style="height: 1px; width: 1px; float: none; background-image: none; background-attachment: scroll; background-origin: padding-box; background-clip: border-box; background-color: rgba(0, 0, 0, 0); background-size: auto; background-position: 0% 0%; background-repeat: repeat repeat;" lazyloaded="true">

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<div style="border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">
<div style="border: 0px none rgb(68, 68, 68); color: rgb(68, 68, 68); display: block; float: right; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(68, 68, 68) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">2012-11-22 13:36 上传</div>
<a href="http://www.eeboard.com/bbs/forum.php?mod=attachment&amp;aid=MTEwMTZ8YmQ5MzRhMzd8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;nothumb=yes" title="8.jpg 下载次数:0" target="_blank" style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: underline; word-wrap: break-word;"><strong style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: bold; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">下载附件</strong> <span style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10px; line-height: 14px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">(35.5 KB)</span></a>

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开始调试：<br>
1.连接好树莓派和usb DAC，开机，输入“lsusb”，查看是否找到usb DAC,倒数一行就是PCM2704&nbsp;&nbsp;&nbsp;&nbsp;<br>

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<a href="http://www.eeboard.com/bbs/forum.php?mod=attachment&amp;aid=MTEwMTd8OWNhMDYyYzh8MTM2MTM1MzY3M3w2NzYzfDQxNjI%3D&amp;nothumb=yes" title="9.jpg 下载次数:0" target="_blank" style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: underline; word-wrap: break-word;"><strong style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: bold; font-size: 12px; line-height: 17px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">下载附件</strong> <span style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10px; line-height: 14px; font-family: Arial; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: initial; word-wrap: break-word;">(46.9 KB)</span></a>

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2.安装smplayer播放软件&nbsp;&nbsp;<br>
参考<a href="http://www.eeboard.com/bbs/forum.php?mod=viewthread&amp;tid=1369&amp;page=1&amp;extra=#pid4675" target="_blank" style="border: 0px none rgb(51, 102, 153); color: rgb(51, 102, 153); display: inline; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: 21px; font-family: Tahoma, 'Microsoft Yahei', Simsun; margin: 0px; outline: rgb(51, 102, 153) none 0px; padding: 0px; text-decoration: underline; word-wrap: break-word;">http://www.eeboard.com/bbs/forum.php?mod=viewthread&amp;tid=1369&amp;page=1&amp;extra=#pid4675</a><br>
3.运行效果，试听了FLAC无损格式的some one like you，效果非常棒 <br>

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下一步打算试试网络电台，这样树莓派就成了网络播放器了，效果应该也不错， <br>
&nbsp;&nbsp;<br>
最后送大家几首高码率的mp3和无损音频，仅供学习和比较用 &nbsp;&nbsp;<br>
三首都是我近期比较喜欢听的流行音乐<br>

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刚才看国外的官网也有不少人用树莓派接PCM2704的usb DAC，不过他们的成本可比我们高多了，国外可买不到低于8美刀的usb DAC吧，哈哈&nbsp;&nbsp;<br>

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